.underline{
  border-bottom: 2px solid red;
}

.yellowBackground{
  background-color: yellow;
}

.strong{
  font-weight: 600;
}

.narrow{
  font-size: 2vh;
}

.redFont{
  color: red;
}

.item{
  text-indent: 2em;
}

.indent{
  width: 2em;
  display: inline-block;
}